let vueSrc = "https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js";
let markSrc = "https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/marked/4.0.2/marked.js";
function addlib (){
  let markdownContent = document.body.innerHTML;
  document.body.innerHTML = '';
  addScript(vueSrc,function(){});
  addScript(markSrc,function(){
    let content1 = document.createElement('div');
    content1.id = 'content';
    document.body.appendChild(content1);
    let content = document.getElementById('content');
    content.innerHTML = marked.parse(markdownContent);
  });
}
function addScript(src, callback) {
  var s = document.createElement('script');
  s.src = src;
  s.type = "text/javascript";
  s.onload = callback;
  document.body.appendChild(s);
}
window.onload = addlib;